IC149

www.DataSheet.co.kr iC149 preliminary Rev A0.2, Page 1/6 PROGRAMMABLE ns-PULSE GENERATOR FEATURES o o o o Pulse width 1 bis 64 ns in steps of 0.25 ns Fixed frequency of 1 MHz LVDS und TTL outputs Compatible with HG1D, NZN1D, NZP1D APPLICATIONS o Pulse generator for fast laser diode drivers BLOCK DIAGRAM Copyright © 2011 iC-Haus http://www.ichaus.com Datasheet pdf - http://www.DataSheet4U.net/ www.DataSheet.co.kr iC149 preliminary Rev A0.2, Page 2/6 PROGRAMMABLE ns-PULSE GENERATOR DESCRIPTION Pulse generator iC149 produces pulses with a small duty cycle in the range of ca. 1 ns up to 64 ns max. in steps of 0.25 ns at a pulse frequency of 1 MHz. The pulse width is set by means of two hexadecimal coding switches in coarse and fine steps. The pulses are output both as LVDS and TTL signals. This module can easily be used with the evaluation boards HG1D, NZN1D ans NZP1D. ELECTRICAL CHARACTERISTICS Test Conditions: Vs = ±15 V, Ta = 25 °C, System Impedace 50 Ω Item No. 101 102 Symbol Parameter Conditions Min. V5 I(V5) Power Supply Supply Current V5 = 5 V, S1 = OFF V5 = 5 V, S1 = ON, TRIGGER open V5 = 5 V, S1 = ON, TRIGGER 50 Ω vs. Ground V5 = 5 V, Ta = 27 °C, coarse = "F", fine = "F" V5 = 5 V, Ta = 27 °C, coarse = "0", fine = "C" 4.75 Typ. 5 45 50 75 63.75 1 Max. 5.25 V mA mA mA ns ns Unit Power Supply Pulse Width 201 202 Tpmax Tpmin Maximum Pulsweite Minimum Pulsweite Datasheet pdf - http://www.DataSheet4U.net/ www.DataSheet.co.kr iC149 preliminary Rev A0.2, Page 3/...